903432-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903432-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,4,3 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 903432-74:
(8*9)+(7*0)+(6*3)+(5*4)+(4*3)+(3*2)+(2*7)+(1*4)=146
146 % 10 = 6
So 903432-74-6 is a valid CAS Registry Number.